Build & Explore!

Thames & Kosmos teams up with the innovative Wondery Kids podcast team in a first-of-its-kind collaboration that gives kids an exciting new way...

Curiosity, supercharged! Thames & Kosmos teams up with the innovative Wondery Kids podcast team in a first-of-its-kind collaboration that gives...

Three different planes perform amazing tricks. Three different Stunt Planes designed by aeronautical engineers to do a variety of amazing tricks! ...

Welcome feathered friends to your backyard by making a DIY bird house! Everything you need is included in this kit. Easily pop the wooden design el...

Travel deep into the microscopic realm! With this high-quality student microscope, Thames & Kosmos unlocks wonders of the world that are too sm...

Future engineers enjoy the focused work of this 180-piece cyber hand build that teaches them about mechanical assembly and hydraulics. Once built, ...

Build and program a loyal robotic pal! Discover the world of robotics — an exciting, interdisciplinary field combining physics, engineering, and co...

Lost your marbles? Get more! This is a pack of 7 metal replacement marbles for the Gecko Run marble run system.

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

Tasty Triceratops! Scrumptious Stegosaurus! As kids prepare these yummy gummy treats, they'll investigate the chemistry related to candy making and...

Squeeze slimy snots through a soft and squishy nose! Explore ten different experiments on sinus-based anatomy, make sense of scents with the power ...

If you're raising a future Sherlock Holmes, your young detective needs all the tools of the trade. Help them crack the case on any mystery with thi...

Tri-colored layered ice-cream textured slime! Topped with a jumbo star charm & has a soft, dreamy and stretchy texture. Mixes into a soft viole...

It’s fun to be smart! This set of two multi-subject card decks is packed with hundreds of curriculum-based questions for seventh graders. Loved by ...

Kids who love to experiment can hone their problem-solving and critical thinking skills with this set of over 20 experiments! It's a great gift tha...

Thinking Putty is one of our top putty picks - there are so many ways to play! This clear putty is filled with shimmery glitter pieces and a rainbo...

Thinking Putty is one of our top putty picks - there are so many ways to play! This enchanting putty is heat sensitive: the more it's played with, ...

Get in the ring for learning about hydraulics with this set of 2 boxing bots! Future engineers will enjoy the focused work of this challenging 327-...

Explore the future of advanced computing technology with KAI — short for Kosmos Artificial Intelligence! Build and program an intelligent, six-legg...

If your tween or teen has a fascination with all things steampunk - or trains in general - then this kit is for them! Young engineers put on their ...

Looking for a fun and educational activity about solar power? Future engineers will be impressed as they construct this sleek, compact race car - i...